.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  z-index: 99999;

  .left_but {
    position: absolute;
    background-color: rgba(153, 153, 153, 0.5);
    border-radius: 10vw;
    z-index: 1;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    align-content: center;
    justify-content: center;
    overflow: hidden;

    .divider {
      width: 4rpx;
      height: 50%;
      border-radius: 4rpx;
      background-color: rgba(255, 255, 255, 1);
    }

    .image {
      height: 100%;
      padding: 16rpx 24rpx;

      .image-n {
        height: 100%;
      }
    }
  }
}